Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

South African diamonds have revealed nickel-rich metallic inclusions, offering the first direct evidence of reactions ...

Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...

From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...

Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named ...

An international study led by researchers at São Paulo State University (UNESP) in Brazil has identified a little-known but potentially significant threat: Asteroids that share Venus's orbit and may ...

New research shows hidden Venus asteroids could unleash city-sized impacts. Learn why they’re so hard to spot and how telescopes might find them.

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Astronomers found an atmosphere where they least expected it—clinging to an exoplanet that’s too small, too hot and too old ...